11400238 has 8 divisors (see below), whose sum is σ = 17116488. Its totient is φ = 5694744.

The previous prime is 11400223. The next prime is 11400239. The reversal of 11400238 is 83200411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11400239) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 945 + ... + 4867.

It is an arithmetic number, because the mean of its divisors is an integer number (2139561).

Almost surely, 2^11400238 is an apocalyptic number.

11400238 is a deficient number, since it is larger than the sum of its proper divisors (5716250).

11400238 is a wasteful number, since it uses less digits than its factorization.

11400238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5378.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11400238 is about 3376.4238478011. The cubic root of 11400238 is about 225.0632776757.

Adding to 11400238 its reverse (83200411), we get a palindrome (94600649).

The spelling of 11400238 in words is "eleven million, four hundred thousand, two hundred thirty-eight".